﻿function fileQueueError(file, errorCode, message) {
    try {
        var imageName = "error.gif";
        var errorName = "";
        if (errorCode === SWFUpload.errorCode_QUEUE_LIMIT_EXCEEDED) {
            errorName = "You have attempted to queue too many files.";
        }

        if (errorName !== "") {
            alert(errorName);
            return;
        }

        switch (errorCode) {
            case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE:
                imageName = "zerobyte.gif";
                break;
            case SWFUpload.QUEUE_ERROR.FILE_EXCEEDS_SIZE_LIMIT:
                imageName = "toobig.gif";
                break;
            case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE:
            case SWFUpload.QUEUE_ERROR.INVALID_FILETYPE:
            default:
                alert(message);
                break;
        }

        addImage(rootPath + "/Scripts/SWFUpload/images/" + imageName);

    } catch (ex) {
        this.debug(ex);
    }

}

function fileDialogComplete(numFilesSelected, numFilesQueued) {
    try {
        if (numFilesQueued > 0) {
            this.startUpload();
        }
    } catch (ex) {
        this.debug(ex);
    }
}

function uploadProgress(file, bytesLoaded) {

    try {
        var percent = Math.ceil((bytesLoaded / file.size) * 100);

        var progress = new FileProgress(file, this.customSettings.upload_target);
        progress.setProgress(percent);
        if (percent === 100) {
            progress.setStatus("Creating thumbnail...");
            progress.toggleCancel(false, this);
        } else {
            progress.setStatus("Uploading...");
            progress.toggleCancel(true, this);
        }
    } catch (ex) {
        this.debug(ex);
    }
}

function uploadSuccess(file, serverData) {
    try {

        addImage(rootPath + "/Admin/DocumentPub/Thumbnail?id=" + serverData);

        var progress = new FileProgress(file, this.customSettings.upload_target);

        progress.setStatus("Thumbnail Created.");
        progress.toggleCancel(false);
    } catch (ex) {
        this.debug(ex);
    }
}

function uploadComplete(file) {
    try {
        /*  I want the next upload to continue automatically so I'll call startUpload here */
        if (this.getStats().files_queued > 0) {
            this.startUpload();
        } else {
            var progress = new FileProgress(file, this.customSettings.upload_target);
            progress.setComplete();
            progress.setStatus("All images received.");
            progress.toggleCancel(false);
        }
    } catch (ex) {
        this.debug(ex);
    }
}

function uploadError(file, errorCode, message) {
    var imageName = "error.gif";
    var progress;
    try {
        switch (errorCode) {
            case SWFUpload.UPLOAD_ERROR.FILE_CANCELLED:
                try {
                    progress = new FileProgress(file, this.customSettings.upload_target);
                    progress.setCancelled();
                    progress.setStatus("Cancelled");
                    progress.toggleCancel(false);
                }
                catch (ex1) {
                    this.debug(ex1);
                }
                break;
            case SWFUpload.UPLOAD_ERROR.UPLOAD_STOPPED:
                try {
                    progress = new FileProgress(file, this.customSettings.upload_target);
                    progress.setCancelled();
                    progress.setStatus("Stopped");
                    progress.toggleCancel(true);
                }
                catch (ex2) {
                    this.debug(ex2);
                }
            case SWFUpload.UPLOAD_ERROR.UPLOAD_LIMIT_EXCEEDED:
                imageName = "uploadlimit.gif";
                break;
            default:
                alert(message);
                break;
        }

        addImage(rootPath + "/Scripts/SWFUpload/images/" + imageName);

    } catch (ex3) {
        this.debug(ex3);
    }

}

this.m = 0;
function addImage(src) {
    //	var newImg = document.createElement("img");
    //	newImg.style.margin = "5px";
    //	document.getElementById("thumbnails").appendChild(newImg);
    //	if (newImg.filters) {
    //		try {
    //			newImg.filters.item("DXImageTransform.Microsoft.Alpha").opacity = 0;
    //		} catch (e) {
    //			// If it is not set initially, the browser will throw an error.  This will set it if it is not set yet.
    //			newImg.style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=' + 0 + ')';
    //		}
    //	} else {
    //		newImg.style.opacity = 0;
    //	}

    //	newImg.onload = function () {
    //		fadeIn(newImg, 0);
    //	};
    //    newImg.src = src;

    var newElement = "<li id='li" + m + "'><img class='content' src='" + src + "'><img class='delbutton' src='" + rootPath + "/Scripts/SWFUpload/images/fancy_close.png'></li>";
    $("#pic_list").append(newElement);
    $('.delbutton').bind("click", del);
    this.m++;
}

function fadeIn(element, opacity) {
    var reduceOpacityBy = 5;
    var rate = 30; // 15 fps
    if (opacity < 100) {
        opacity += reduceOpacityBy;
        if (opacity > 100) {
            opacity = 100;
        }

        if (element.filters) {
            try {
                element.filters.item("DXImageTransform.Microsoft.Alpha").opacity = opacity;
            } catch (e) {
                // If it is not set initially, the browser will throw an error.  This will set it if it is not set yet.
                element.style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=' + opacity + ')';
            }
        } else {
            element.style.opacity = opacity / 100;
        }
    }

    if (opacity < 100) {
        setTimeout(function () {
            fadeIn(element, opacity);
        }, rate);
    }
}

var del = function () {
    $li = $(this).parent('li');
    var fid = $li.prevAll("li").length + 1;
    $.ajax({
        type: "GET",   //访问WebService使用Post方式请求   
        url: rootPath + "/Admin/DocumentPub/DelMemoryPic", //调用WebService的地址和方法名称组合---WsURL/方法名   
        data: { id: fid },
        success: function (data) {

        }
    });
    $li.remove();
}


/* ******************************************
*	FileProgress Object
*	Control object for displaying file info
* ****************************************** */

function FileProgress(file, targetID) {
    this.fileProgressID = "divFileProgress";
    this.fileProgressWrapper = document.getElementById(this.fileProgressID);
    if (!this.fileProgressWrapper) {
        this.fileProgressWrapper = document.createElement("div");
        this.fileProgressWrapper.className = "progressWrapper";
        this.fileProgressWrapper.id = this.fileProgressID;

        this.fileProgressElement = document.createElement("div");
        this.fileProgressElement.className = "progressContainer";

        var progressCancel = document.createElement("a");
        progressCancel.className = "progressCancel";
        progressCancel.href = "#";
        progressCancel.style.visibility = "hidden";
        progressCancel.appendChild(document.createTextNode(" "));

        var progressText = document.createElement("div");
        progressText.className = "progressName";
        progressText.appendChild(document.createTextNode(file.name));

        var progressBar = document.createElement("div");
        progressBar.className = "progressBarInProgress";

        var progressStatus = document.createElement("div");
        progressStatus.className = "progressBarStatus";
        progressStatus.innerHTML = "&nbsp;";

        this.fileProgressElement.appendChild(progressCancel);
        this.fileProgressElement.appendChild(progressText);
        this.fileProgressElement.appendChild(progressStatus);
        this.fileProgressElement.appendChild(progressBar);

        this.fileProgressWrapper.appendChild(this.fileProgressElement);

        document.getElementById(targetID).appendChild(this.fileProgressWrapper);

        fadeIn(this.fileProgressWrapper, 0);

    } else {
        this.fileProgressElement = this.fileProgressWrapper.firstChild;
        this.fileProgressElement.childNodes[1].firstChild.nodeValue = file.name;
    }

    this.height = this.fileProgressWrapper.offsetHeight;

}
FileProgress.prototype.setProgress = function (percentage) {
    this.fileProgressElement.className = "progressContainer green";
    this.fileProgressElement.childNodes[3].className = "progressBarInProgress";
    this.fileProgressElement.childNodes[3].style.width = percentage + "%";
};
FileProgress.prototype.setComplete = function () {
    this.fileProgressElement.className = "progressContainer blue";
    this.fileProgressElement.childNodes[3].className = "progressBarComplete";
    this.fileProgressElement.childNodes[3].style.width = "";

};
FileProgress.prototype.setError = function () {
    this.fileProgressElement.className = "progressContainer red";
    this.fileProgressElement.childNodes[3].className = "progressBarError";
    this.fileProgressElement.childNodes[3].style.width = "";

};
FileProgress.prototype.setCancelled = function () {
    this.fileProgressElement.className = "progressContainer";
    this.fileProgressElement.childNodes[3].className = "progressBarError";
    this.fileProgressElement.childNodes[3].style.width = "";

};
FileProgress.prototype.setStatus = function (status) {
    this.fileProgressElement.childNodes[2].innerHTML = status;
};

FileProgress.prototype.toggleCancel = function (show, swfuploadInstance) {
    this.fileProgressElement.childNodes[0].style.visibility = show ? "visible" : "hidden";
    if (swfuploadInstance) {
        var fileID = this.fileProgressID;
        this.fileProgressElement.childNodes[0].onclick = function () {
            swfuploadInstance.cancelUpload(fileID);
            return false;
        };
    }
};
